Approved identifiers (such as name, date of birth, sex, address, record number and the national healthcare identifier, never a bed or room) must be defined to best practice, and at least three must be used at registration and admission, whenever care, medicines, therapy or services are given, and whenever handover, transfer or discharge documents are produced. The steps for matching each patient to the care intended for them, and what must be recorded about that matching, must be specified.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.